40009984

素因数分解:

$2^8\times 7^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 92715840

約数和(自身を除く): 52705856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 83, 112, 128, 166, 224, 256, 269, 332, 448, 538, 581, 664, 896, 1076, 1162, 1328, 1792, 1883, 2152, 2324, 2656, 3766, 4304, 4648, 5312, 7532, 8608, 9296, 10624, 15064, 17216, 18592, 21248, 22327, 30128, 34432, 37184, 44654, 60256, 68864, 74368, 89308, 120512, 148736, 156289, 178616, 241024, 312578, 357232, 482048, 625156, 714464, 1250312, 1428928, 2500624, 2857856, 5001248, 5715712, 10002496, 20004992, 40009984]

約数ペア:

[(1, 40009984), (2, 20004992), (4, 10002496), (7, 5715712), (8, 5001248), (14, 2857856), (16, 2500624), (28, 1428928), (32, 1250312), (56, 714464), (64, 625156), (83, 482048), (112, 357232), (128, 312578), (166, 241024), (224, 178616), (256, 156289), (269, 148736), (332, 120512), (448, 89308), (538, 74368), (581, 68864), (664, 60256), (896, 44654), (1076, 37184), (1162, 34432), (1328, 30128), (1792, 22327), (1883, 21248), (2152, 18592), (2324, 17216), (2656, 15064), (3766, 10624), (4304, 9296), (4648, 8608), (5312, 7532)]